Finding the Fourth Proportional to 12,944,681.60, 19,424,020.80 and 5,757,324.80
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Solution
The fourth proportional to 12,944,681.60, 19,424,020.80 and 5,757,324.80 is: 8,639,099.83
Step by Step Solution
- Step 1: Write the proportion equation
12,944,681.60 : 19,424,020.80 = 5,757,324.80 : x - Step 2: Convert to fraction form
12,944,681.60/19,424,020.80 = 5,757,324.80/x - Step 3: Cross multiply
12,944,681.60x = 19,424,020.80 × 5,757,324.80 - Step 4: Simplify right side
12,944,681.60x = 111,830,396,667,555.84 - Step 5: Solve for x
x = 111,830,396,667,555.84/12,944,681.60 - Step 6: Final answer
x = 8,639,099.83
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.